Dr. Martin Eve (Eve, 2014) has an interesting article posted that deals with the possibility of Amazon killing a revenue channel for open access monographs. The argument goes that books are just a tad more labor intensive to produce than journal articles.
So how Does one Ensure Open Access and Still Generate Revenue to Keep the Publishing Enterprise Viable?
In the article Dr. Martin writes that economic solutions to make monographs open access could be freemium models, print and electronic subsidy, institutional subsidy and consortial models. In these models, it is suggested that
…publishers can recoup their costs by selling print versions of the monographs and or electronic versions… -Eve (2014)
He writes that could be accomplished by distributing an electronic version in PDF while trying to sell the eBook version on Kindle.
The problem, the academic publishing industry claims is Amazon.